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Aromatic Compounds: Overview01:25

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In general, the term ‘aromatic’ indicates a pleasant smell or fragrance from fresh flowers, freshly prepared coffee, etc. In the early history of organic chemistry, many benzene derivatives were isolated from the pleasant odor oils of the plants. For example, vanillin was isolated from the oil of vanilla, methyl salicylate from the oil of wintergreen, and cinnamaldehyde from the oil of cinnamon. They all had a pleasant odor; hence the name aromatic was given.
In 1825, Faraday isolated...
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Multi potent aromatic nano colloid: synthesis, characterization and applications.

Ranjani Soundhararajan1, Salman Al Farzi Mohamed Sheik Meeran1, Shruthy Priya Prakash1

  • 1School of Life Sciences, B. S. Abdur Rahman Crescent institute of Science and Technology, Vandalur, 600048, Chennai, India.

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Citronella-derived silver nanocolloids (CANCs) exhibit potent antimicrobial and antibiofilm properties against E. coli. These CANCs also show antifungal activity and dose-dependent anticancer effects on breast cancer cells.

Keywords:
AmpCAntibiotic resistanceAnticancerAromatic nanocolloidsBreast cancer MCF-7CTX-M-15Fungicide

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Area of Science:

  • Nanotechnology
  • Materials Science
  • Biotechnology

Background:

  • Pathogenic bacteria like E. coli form biofilms, causing persistent infections.
  • Antimicrobial resistance necessitates novel therapeutic agents.
  • Plant extracts offer a sustainable source for nanomaterial synthesis.

Purpose of the Study:

  • To synthesize and characterize aromatic nanocolloids (CANCs) using silver and Citronella extract.
  • To evaluate the antimicrobial, antibiofilm, and antifungal activities of CANCs.
  • To assess the anticancer potential and gene-modulating effects of CANCs.

Main Methods:

  • Synthesis of CANCs using silver nanoparticles and Citronella extract.
  • Physicochemical analysis for characterization.
  • In vitro evaluation of antimicrobial, antibiofilm, and antifungal activities.
  • Gene expression analysis (AmpC, CTX-M-15) and cytotoxicity assays on MCF-7 cells.

Main Results:

  • CANCs demonstrated effective antimicrobial activity (bacteriostatic, bactericidal, quorum quenching) against E. coli.
  • CANCs significantly downregulated the CTX-M-15 virulence gene.
  • CANCs showed efficacy against plant pathogenic fungi (A. niger, F. graminearum, F. udum).
  • In vitro studies indicated dose-dependent cytotoxicity of CANCs against MCF-7 breast cancer cells.

Conclusions:

  • CANCs are multifunctional agents with significant antimicrobial, antibiofilm, and antifungal properties.
  • CANCs show potential as an alternative to commercial fungicides.
  • CANCs exhibit promising anticancer activity, warranting further investigation.